Crowds flock to 3December

Alias's communications manager Heather Kernahan said: "The London event has been very well attended. This year we received 1,200 reservations."

However, while last year's event was hosted in seven cities worldwide, this year events took place only in London, Paris and Tokyo.

The event sponsor was HP, and the company's worldwide segment-marketing manager for digital content creation Molly Connelly said: "London has always been the best attended event, last year 600 attended events in New York and Los Angeles respectably.